In this clinical surgical technique video, Dr kuljeet Mehta-Periodontist, demonstrates the Maxillary Sinus Lift/Augmentation window technique prepared with DASK technique and Piezosurgery and augmentation with xenograft (BioOss), PRGF (Plasma Rich in Growth factor) and resorbable collagen membrane, before placing dental implants. After one year upper maxillary premolar and molars replaced with dental implant bridge.